Across
- 2. This type of pollution does not have an easily identified source.
- 3. Pure water has a neutral, about 7, measure of this.
- 5. Space between underground rocks that holds water.
- 6. Water warms, turns to a vapor, and is said to _______.
- 8. What water is called when it falls from the sky.
- 10. The wise use of resources is called ________.
- 11. Water that drains directly into bodies of water due to force of gravity.
- 13. Power _____ comes in the form of nuclear, coal burning, and hydroelectric.
- 15. Water in aquifers is called _____.
- 16. Water has a high ______ tension due to the net attraction force between water molecules.
- 17. Type of water that covers 97% of all water on earth.
- 18. Water is considered a ___________ resource.
- 19. The form water takes when it evaporates.
- 22. Type of water that falls from the sky.
- 24. Water is made up of two molecules of this.
Down
- 1. Water vapor cools and changes to liquid droplets.
- 4. The water cycle is also called the _______ cycle.
- 7. Water is made up of one molecules of this.
- 9. Water that evaporates from leaves into the atmosphere.
- 12. Water is called a _______ solvent because is dissolves more substances than any other liquid.
- 14. The highest amount of water use comes from the generation of this.
- 20. Water is attracted to other materials.
- 21. Water is attracted to other water molecules.
- 23. This type of pollution has an easily identified source.